(fixup) Avoid hardcoded number of channels in edges

src/extra/components/dld.py

@@ -250,7 +250,7 @@ def edges(self, channel_index=True, pulse_dim='pulseId'):
  index = self._align_pulse_index(kd, pulse_dim)
  data = kd.ndarray()
  raw_edges = [self._build_reduced_pd(data[:, i, :], index, None)
- for i in range(7)]
+ for i in range(data.shape[1])]
 
  index = pd.MultiIndex.from_frame(
  pd.concat([e.index.to_frame() for e in raw_edges]))